This one-size-fits-all lava stone bracelet has gold stars and coloured beads that represent the solar system. A stunning addition to any bracelet collection. Lava Stone Jewellery is super trendy these days. Yet, the dark, porous beads are not only a fashion trend.. You can also use them as diffuser jewellery! Simply place 1-2 drops of your favourite essential oils on the porous beads and voilà! you can now enjoy aromatherapy all day long from this beautiful and versatile piece of jewellery.